IRBT
name pending profile ingest
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow +2.7% ·
net new positions -10.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.06M | +1.1% | $2.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Marshall Wace ✦ | 1.01M | New | $2.74M | 0.0% | New | 1 | SEC ↗ ×3 |
| 3 | Geode Capital Management ✦ (passive) | 724.30K | +3.3% | $1.96M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | Renaissance Technologies ✦ | 286.48K | -50.2% | $773,485 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 234.82K | +299.6% | $634,012 | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 6 | Two Sigma Investments ✦ | 202.88K | -69.1% | $547,768 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 57.81K | +6.2% | $156,084 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 8 | T. Rowe Price ✦ | 57.08K | +2.0% | $155,000 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | Millennium Management ✦ | 46.06K | -4.2% | $124,365 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | GAMCO Investors ✦ | 44.30K | +14.5% | $119,610 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $2.74M | 0.0% |
Exited
| PRIMECAP Management | $2.36M | was 0.0% |
| Citadel Advisors | $680,380 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 37.42K shares, $2,939 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.